<template>
  <el-menu
  class="el-menu-vertical-demo"
  @open="handleOpen"
  @close="handleClose"
  :collapse="isCollapse"
  background-color="#545c64"
  text-color="#fff"
  active-text-color="#ffd04b"
  >
    <p v-show="!isCollapse" style="text-align:center;color:#fff;">通用后台管理系统</p>
    <p v-show="isCollapse"  style="text-align:center;color:#fff;">后台</p>
    <el-menu-item @click="clickMenu(item)" :index="item.path" v-for="item in noChildren" :key="item.path">
      <i :class="`el-icon-${item.icon}`"></i>
      <span slot="title">{{item.label}}</span>
    </el-menu-item>
    <el-submenu :index="item.path" v-for="item in hasChildren" :key="item.path">
      <template slot="title">
        <i :class="`el-icon-${item.icon}`"></i>
        <span slot="title">{{item.label}}</span>
      </template>
      <el-menu-item-group>
        <el-menu-item @click="clickMenu(item)" :index="subItem.path" v-for="(subItem,subIndex) in item.children" :key="subIndex">
          <i :class="`el-icon-${subItem.icon}`"></i>
        <span slot="title">{{subItem.label}}</span>
        </el-menu-item>
      </el-menu-item-group>
    </el-submenu>

  </el-menu>
</template>
<script>
export default {
  name: 'CommonAside',
  data () {
    return {
      menu: [
        {
          path: '/',
          name: 'home',
          label: '首页',
          icon: 's-home',
          url: 'Home/Home'
        },
        {
          path: '/mall',
          name: 'mall',
          label: '商品管理',
          icon: 'video-play',
          url: 'MallManage/MallManage'
        },
        {
          path: '/user',
          name: 'user',
          label: '用户管理',
          icon: 'user',
          url: 'UserManage/UserManage'
        },
        {
          label: '其他',
          icon: 'location',
          children: [
            {
              path: '/page1',
              name: 'page1',
              label: '页面1',
              icon: 'setting',
              url: 'Other/PageOne'
            },
            {
              path: '/page2',
              name: 'page2',
              label: '页面2',
              icon: 'setting',
              url: 'Other/PageTwo'
            }
          ]
        }
      ]
    }
  },
  methods: {
    handleOpen (key, keyPath) {
      console.log(key, keyPath)
    },
    handleClose (key, keyPath) {
      console.log(key, keyPath)
    },
    clickMenu (item) {
      console.log(this.$store)
    }
  },
  computed: {
    noChildren () {
      return this.menu.filter((item) => !item.children)
    },
    hasChildren () {
      return this.menu.filter((item) => item.children)
    },
    isCollapse () {
      return this.$store.state.Tab.isCollapse
    }
  }
}
</script>
<style scoped>
.el-menu-vertical-demo:not(.el-menu--collapse) {
  width: 200px;
  min-height: 400px;
}
.el-menu{
    border: 0px;
}
</style>
